Was Columbus a pirate? 300 Catalonians donate spit to find out

From the article:

While historians have mostly assumed that Columbus was an Italian born in 1451 in Genoa, a persuasive counter-lobby argues that the mariner who pioneered the Spanish conquista was in reality the Catalan Cristofol Colom, who airbrushed his past to conceal his activities as a pirate and conspirator against the king.